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BOSTON MARATHON 2023

Rebecca Durcan

Bib: 22740•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 48%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:37
Rank: #18028
Start → 5K
26:37 | 8:34/mi
10K· 6.21 mi
52:51
Rank: #17943 (+85)
5K → 10K
26:14 | 8:27/mi
15K· 9.32 mi
1:19:21
Rank: #17932 (+11)
10K → 15K
26:30 | 8:32/mi
20K· 12.43 mi
1:46:15
Rank: #17887 (+45)
15K → 20K
26:54 | 8:39/mi
Half· 13.11 mi
1:52:04
Rank: #17886 (+1)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:12:59
Rank: #17688 (+198)
Half → 25K
20:55 | 8:38/mi
30K· 18.64 mi
2:40:56
Rank: #17567 (+121)
25K → 30K
27:57 | 9:00/mi
20M
2:53:16
Rank: #17509 (+58)
30K → 20M
12:20 | 9:05/mi
21M
3:03:11
Rank: #17514 (-5)
20M → 21M
9:55 | 9:55/mi
35K· 21.75 mi
3:09:46
Rank: #17500 (+14)
21M → 35K
6:35 | 8:48/mi
23M
3:21:18
Rank: #17472 (+28)
35K → 23M
11:32 | 9:13/mi
24M
3:30:24
Rank: #17505 (-33)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:38:37
Rank: #17594 (-89)
24M → 40K
8:13 | 9:37/mi
25.2M
3:41:57
Rank: #17565 (+29)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:51:06
Rank: #17588 (-23)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:04
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time1:59:02
Pace9:05 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2526:378:3426:37
8:34
-
10K
6.21 mi11:46:3952:518:3026:14
8:27
-0:07
15K
9.32 mi12:13:091:19:218:3126:30
8:32
+0:05
20K
12.43 mi12:40:031:46:158:3326:54
8:39
+0:07
Half
13.11 mi12:45:521:52:048:335:49
8:32
-0:07
25K
15.53 mi13:06:472:12:598:3420:55
8:38
+0:06
30K
18.64 mi13:34:442:40:568:3827:57
9:00
+0:22
20M
20.00 mi13:47:042:53:168:4012:20
9:05
+0:05
21M
21.00 mi13:56:593:03:118:439:55
9:55
+0:50
35K
21.75 mi14:03:343:09:468:446:35
8:48
-1:07
23M
23.00 mi14:15:063:21:188:4511:32
9:13
+0:25
24M
24.00 mi14:24:123:30:248:469:06
9:06
-0:07
40K
24.85 mi14:32:253:38:378:488:13
9:37
+0:31
25.2M
25.20 mi14:35:453:41:578:483:20
9:40
+0:03
Finish
26.22 mi14:44:543:51:068:499:09
8:59
-0:41

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:27 /mi

Average Pace

8:49 /mi

Slowest Pace

9:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:38

91% of race

Time at Steady Pace

21:28

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:49 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:20:2526:378:3426:37
8:34
#18028
10K
6.21 mi11:46:3952:518:3026:14
8:27
#17943
15K
9.32 mi12:13:091:19:218:3126:30
8:32
#17932
20K
12.43 mi12:40:031:46:158:3326:54
8:39
#17887
Half
13.11 mi12:45:521:52:048:335:49
8:32
#17886
25K
15.53 mi13:06:472:12:598:3420:55
8:38
#17688
30K
18.64 mi13:34:442:40:568:3827:57
9:00
#17567
20M
20.00 mi13:47:042:53:168:4012:20
9:05
#17509
21M
21.00 mi13:56:593:03:118:439:55
9:55
#17514
35K
21.75 mi14:03:343:09:468:446:35
8:48
#17500
23M
23.00 mi14:15:063:21:188:4511:32
9:13
#17472
24M
24.00 mi14:24:123:30:248:469:06
9:06
#17505
40K
24.85 mi14:32:253:38:378:488:13
9:37
#17594
25.2M
25.20 mi14:35:453:41:578:483:20
9:40
#17565
Finish
26.22 mi14:44:543:51:068:499:09
8:59
#17588
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi180286575657518019(Top 68%)6507(Top 57%)6507(Top 358%)
10K6.21 mi3.10 mi17943+856496+796496+7917901(Top 67%)6422(Top 56%)6422(Top 353%)
15K9.32 mi3.11 mi17932+116484+126484+1218019(Top 68%)6507(Top 57%)6507(Top 358%)
20K12.43 mi3.11 mi17887+456459+256459+2517874(Top 67%)6439(Top 56%)6439(Top 354%)
Half13.11 mi0.68 mi17886+16457+26457+217888(Top 67%)6417(Top 56%)6417(Top 353%)
25K15.53 mi2.42 mi17688+1986345+1126345+11216982(Top 64%)6000(Top 53%)6000(Top 330%)
30K18.64 mi3.11 mi17567+1216300+456300+4517160(Top 64%)6167(Top 54%)6167(Top 339%)
20M20.00 mi1.36 mi17509+586285+156285+1516947(Top 64%)6127(Top 54%)6127(Top 337%)
21M21.00 mi1.00 mi17514-56304-196304-1917730(Top 67%)6599(Top 58%)6599(Top 363%)
35K21.75 mi0.75 mi17500+146307-36307-316968(Top 64%)6262(Top 55%)6262(Top 345%)
23M23.00 mi1.25 mi17472+286305+26305+217133(Top 64%)6362(Top 56%)6362(Top 350%)
24M24.00 mi1.00 mi17505-336333-286333-2817680(Top 66%)6731(Top 59%)6731(Top 370%)
40K24.85 mi0.85 mi17594-896401-686401-6818731(Top 70%)7340(Top 64%)7340(Top 404%)
25.2M25.20 mi0.35 mi17565+296389+126389+1216023(Top 60%)5887(Top 52%)5887(Top 324%)
Finish26.22 mi1.02 mi17588-236411-226411-2217893(Top 67%)6855(Top 60%)6855(Top 377%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18019

Females

6507

F45-49

6507

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17901

Females

6422

F45-49

6422

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18019

Females

6507

F45-49

6507

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17874

Females

6439

F45-49

6439

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17888

Females

6417

F45-49

6417

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16982

Females

6000

F45-49

6000

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17160

Females

6167

F45-49

6167

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

16947

Females

6127

F45-49

6127

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17730

Females

6599

F45-49

6599

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

16968

Females

6262

F45-49

6262

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

17133

Females

6362

F45-49

6362

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17680

Females

6731

F45-49

6731

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18731

Females

7340

F45-49

7340

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16023

Females

5887

F45-49

5887

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17893

Females

6855

F45-49

6855

Passing Analysis

Category:
Athletes Passed
1771
Passed By
1331
Net Change
+440
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18028
5K → 10K356271+85#18028#17943
10K → 15K191180+11#17943#17932
15K → 20K190145+45#17932#17887
20K → Half3433+1#17887#17886
Half → 25K23537+198#17886#17688
25K → 30K233112+121#17688#17567
30K → 20M11052+58#17567#17509
20M → 21M8590-5#17509#17514
21M → 35K5642+14#17514#17500
35K → 23M10274+28#17500#17472
23M → 24M4881-33#17472#17505
24M → 40K31120-89#17505#17594
40K → 25.2M4617+29#17594#17565
25.2M → Finish5477-23#17565#17588
TOTALS17711331+440
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing